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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.ui.storage
import javax.servlet.http.HttpServletRequest
import scala.xml.Node
import org.apache.spark.status.api.v1.{AllRDDResource, RDDDataDistribution, RDDPartitionInfo}
import org.apache.spark.ui.{UIUtils, WebUIPage}
import org.apache.spark.util.Utils
/** Page showing storage details for a given RDD */
private[ui] class RDDPage(parent: StorageTab) extends WebUIPage("rdd") {
private val listener = parent.listener
def render(request: HttpServletRequest): Seq[Node] = {
val parameterId = request.getParameter("id")
require(parameterId != null && parameterId.nonEmpty, "Missing id parameter")
val rddId = parameterId.toInt
val rddStorageInfo = AllRDDResource.getRDDStorageInfo(rddId, listener,includeDetails = true)
.getOrElse {
// Rather than crashing, render an "RDD Not Found" page
return UIUtils.headerSparkPage("RDD Not Found", Seq[Node](), parent)
}
// Worker table
val workerTable = UIUtils.listingTable(workerHeader, workerRow,
rddStorageInfo.dataDistribution.get, id = Some("rdd-storage-by-worker-table"))
// Block table
val blockTable = UIUtils.listingTable(blockHeader, blockRow, rddStorageInfo.partitions.get,
id = Some("rdd-storage-by-block-table"))
val content =
<div class="row-fluid">
<div class="span12">
<ul class="unstyled">
<li>
<strong>Storage Level:</strong>
{rddStorageInfo.storageLevel}
</li>
<li>
<strong>Cached Partitions:</strong>
{rddStorageInfo.numCachedPartitions}
</li>
<li>
<strong>Total Partitions:</strong>
{rddStorageInfo.numPartitions}
</li>
<li>
<strong>Memory Size:</strong>
{Utils.bytesToString(rddStorageInfo.memoryUsed)}
</li>
<li>
<strong>Disk Size:</strong>
{Utils.bytesToString(rddStorageInfo.diskUsed)}
</li>
</ul>
</div>
</div>
<div class="row-fluid">
<div class="span12">
<h4>
Data Distribution on {rddStorageInfo.dataDistribution.map(_.size).getOrElse(0)}
Executors
</h4>
{workerTable}
</div>
</div>
<div class="row-fluid">
<div class="span12">
<h4> {rddStorageInfo.partitions.map(_.size).getOrElse(0)} Partitions </h4>
{blockTable}
</div>
</div>;
UIUtils.headerSparkPage("RDD Storage Info for " + rddStorageInfo.name, content, parent)
}
/** Header fields for the worker table */
private def workerHeader = Seq(
"Host",
"Memory Usage",
"Disk Usage")
/** Header fields for the block table */
private def blockHeader = Seq(
"Block Name",
"Storage Level",
"Size in Memory",
"Size on Disk",
"Executors")
/** Render an HTML row representing a worker */
private def workerRow(worker: RDDDataDistribution): Seq[Node] = {
<tr>
<td>{worker.address}</td>
<td>
{Utils.bytesToString(worker.memoryUsed)}
({Utils.bytesToString(worker.memoryRemaining)} Remaining)
</td>
<td>{Utils.bytesToString(worker.diskUsed)}</td>
</tr>
}
/** Render an HTML row representing a block */
private def blockRow(row: RDDPartitionInfo): Seq[Node] = {
<tr>
<td>{row.blockName}</td>
<td>
{row.storageLevel}
</td>
<td sorttable_customkey={row.memoryUsed.toString}>
{Utils.bytesToString(row.memoryUsed)}
</td>
<td sorttable_customkey={row.diskUsed.toString}>
{Utils.bytesToString(row.diskUsed)}
</td>
<td>
{row.executors.map(l => <span>{l}<br/></span>)}
</td>
</tr>
}
}
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